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Global distribution of the 4.2 kiloyear event. The hatched areas were affected by wet conditions or flooding, and the dotted areas by drought or dust storms. [1] The 4.2-kiloyear (thousand years) BP aridification event (long-term drought), also known as the 4.2 ka event, [2] was one of the most severe climatic events of the Holocene epoch. [3]
Drought is a recurring feature of the climate in most parts of the world, becoming more extreme and less predictable due to climate change, which dendrochronological studies date back to 1900. There are three kinds of drought effects, environmental, economic and social.
Drought can also affect freshwater sources used by people and livestock alike: 2019 drought in Southwestern China caused around 824,000 people and 566,000 livestock to experience severe water scarcity, as over 100 rivers and 180 reservoirs dried out. That event was considered between 1.4 and 6 times more likely to happen as the result of ...
Drought stress. Currently, half of the production area in the U.S. for cotton crops is experiencing drought, as is 43% of rice producing areas, 78% of sorghum, and 53% of winter wheat, according ...
With Europe suffering through an extreme drought worsened by climate change that has dried up rivers and left millions sweltering in triple-digit heat this summer, farmers across the continent are ...
Megadroughts have historically led to the mass migration of humans away from drought affected lands, resulting in a significant population decline from pre-drought levels. . They are suspected of playing a primary role in the collapse of several pre-industrial civilizations, including the Ancestral Puebloans of the North American Southwest, [6] the Khmer Empire of Cambodia, [7] the Maya of ...
Oct. 5—MORGANTOWN — In light of the ongoing drought, two WVU Extension experts have offered some insight and advice on how drought can affect livestock and wildlife. Darin Matlick, a ...
The drought is largely driven by temperature, which increases the rate of evaporation, with some contribution from the lack of precipitation. The several wet years since 2000 were not sufficient to end the drought. Researchers calculated that without climate change-induced evaporation, the precipitation in 2005 would have broken the drought.